@article{MS_1990__181_4_a7,
     author = {{\CYRV}.{\CYRA}. {\CYRK}{\cyro}{\cyrn}{\cyrd}{\cyrr}{\cyra}{\cyrt}{\cyrsftsn}{\cyre}{\cyrv} and {\CYRI}. {\CYRK}{\cyro}{\cyrp}{\cyra}{\cyrch}{\cyre}{\cyrk} and {\CYRO}.{\CYRA}. {\CYRO}{\cyrl}{\cyre}{\cyrishrt}{\cyrn}{\cyri}{\cyrk}},
     title = {{\CYRO} {\cyrh}{\cyra}{\cyrr}{\cyra}{\cyrk}{\cyrt}{\cyre}{\cyrr}{\cyre} {\cyrn}{\cyre}{\cyrp}{\cyrr}{\cyre}{\cyrr}{\cyrery}{\cyrv}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrn}{\cyra} {\cyrg}{\cyrr}{\cyra}{\cyrn}{\cyri}{\cyrc}{\cyre} {\cyrn}{\cyre}{\cyrg}{\cyrl}{\cyra}{\cyrd}{\cyrk}{\cyro}{\cyrishrt} {\cyro}{\cyrb}{\cyrl}{\cyra}{\cyrs}{\cyrt}{\cyri} {\cyro}{\cyrb}{\cyro}{\cyrb}{\cyrshch}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrr}{\cyre}{\cyrsh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {{\CYRD}{\cyri}{\cyrr}{\cyri}{\cyrh}{\cyrl}{\cyre}} {\cyrd}{\cyrl}{\cyrya} {\cyrb}{\cyri}{\cyrg}{\cyra}{\cyrr}{\cyrm}{\cyro}{\cyrn}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyro}{\cyrg}{\cyro} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya}},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {564--575},
     publisher = {mathdoc},
     volume = {181},
     number = {4},
     year = {1990},
     zbl = {0702.31002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1990__181_4_a7/}
}